FOXESS EPS BOX-PRO: The ultimate three-phase emergency power switchover box for seamless energy self-sufficiency
The FOXESS EPS BOX-PRO is the professional, three-phase hardware solution for residential and commercial solar installations that require uncompromising and reliable power supply during grid outages. As an intelligent link, the box manages the fully automatic switchover to the off-grid state, ensuring that critical loads continue to be supplied without manual intervention. Thanks to its robust IP65 metal housing and high load capacity, this system is the perfect choice for demanding PV installations using FOXESS inverters.
Highlights of the FOXESS EPS BOX-PRO emergency power center
- Automatic EPS switchover: Guarantees a lightning-fast, automatic changeover to the off-grid state during unforeseen power outages.
- High current capacity: Supports a maximum input current of up to 63 A per phase on the grid and load side for high-performance consumers.
- Seamless system integration: Perfectly matched and certified for use with the FOXESS inverter series H3, AIO H3, and H3 Smart.
- Integrated communication interface: Features a dedicated RS-485 interface for precise and error-free smart meter connection.
- Passive cooling concept: Operates completely silently and maintenance-free, thanks to natural convection, with no mechanical fan components prone to wear.
Highlights of housing quality & installation
- Robust metal housing: The high-quality, extremely durable PC and metal housing optimally protects the sensitive switching technology from external influences.
- IP65 protection class: Offers full dust protection and protection against water jets, allowing for safe installation indoors and in protected outdoor areas.
- Wide temperature range: Operates with absolute reliability in thermal environments ranging from freezing -25 °C to hot +60 °C.
- Process-reliable wall mounting: The housing structure is specifically optimized for fast, uncomplicated, and ergonomic one-person wall mounting.
- Future-proof 3L/N/PE design: Designed for standardized, three-phase grid infrastructures with full compatibility for 50 Hz and 60 Hz AC frequencies.
Technical specifications: FOXESS EPS BOX-PRO
| Feature | Details |
|---|---|
| Model name | EPS BOX PRO |
| Nominal voltage [VAC] | 220/380, 230/400, 3L/N/PE |
| AC frequency [Hz] | 50 / 60 |
| Max. input current (grid supply) | 63 A per phase |
| Max. input current (mains voltage / UPS) | 25 A per phase |
| Max. output current (load) | 63 A per phase |
| Communication interface | RS-485 (Meter) |
| Cooling type / Installation | Natural convection / wall mounting |
| Operating temperature range [°C] | -25 to +60 (power derating above 45 °C) |
| Housing protection rating | IP65 |
| Product dimensions (W × H × D) | 550 × 420 × 138.5 mm |
| Packaging dimensions / Net weight | 660 × 515 × 235 mm / 16 kg |
Benefit for professionals: The FOXESS EPS BOX-PRO offers solar installers and certified electrical contractors tremendous time savings when implementing three-phase emergency power solutions. Instead of error-prone and time-consuming custom builds using contactors and relays in the control cabinet, FOXESS provides a pre-assembled, enterprise-class plug-and-play component here. With a maximum current capacity of 63 A per phase, the box integrates seamlessly into standard domestic connections, while native compatibility with H3 hybrid inverters and the integrated RS-485 interface make commissioning a breeze. The robust IP65 metal housing also ensures long-term reliability and eliminates costly service calls after installation.
No documents are currently available for this product.
Frequently Asked Questions
What are the advantages of using a photovoltaic system from Terra Energy?
What are the advantages of using a photovoltaic system from Terra Energy?
With a PV solution, companies can reduce their energy costs, cut CO₂ emissions, and strengthen their corporate sustainability. Our partner solutions ensure performance, efficiency, and future-proofing in B2B applications.
What happens after I purchase a system? Is there support or maintenance?
What happens after I purchase a system? Is there support or maintenance?
Our service doesn't end with your purchase. We support you from delivery and commissioning to the long-term optimization of your system. Our technical support team is available to answer questions and can arrange specialized installation or maintenance partners if needed.
What shipping and delivery options do you offer?
What shipping and delivery options do you offer?
Within Germany, we generally offer free shipping for photovoltaic systems. For international deliveries or bulky components such as modules or mounting systems, we will individually prepare a shipping solution for you (e.g., pallet delivery, truck freight).
What payment methods are available to business customers?
What payment methods are available to business customers?
We offer various payment options for business customers, including prepayment and purchase on account. Simply contact our sales department.
How does Terra Energy support me in selecting and planning my PV solution?
How does Terra Energy support me in selecting and planning my PV solution?
We offer expert advice and customized planning, taking into account location, consumption, subsidies, and technology. Together, we will develop your optimal solution, from the initial concept to commissioning.
What brands and technologies do you carry?
What brands and technologies do you carry?
We work with leading manufacturers and brands in the photovoltaic and energy storage segments to offer you state-of-the-art technology with high quality and performance. Please feel free to ask us for specific manufacturer and product details for your project.
